- __attribute__((aligned(sizeof(long))) added to all field with different protection than the previous field to make sure they don't share the same bus line. Just in case, actually, compiler should do the alignment by default.
- Small docs updates.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1948 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- ISCSI preliminary completed commands handling fixes
- Write residuals cleanups and fixes
- Interface to handle residuals and received from initiators data changed
- BIDI cleanups and fixes.
- All BIDI IN fields and functions renamed to OUT to be in line with the in-kernel convention
+
Docs updated
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1780 d57e44dd-8a1f-0410-8b47-8ef2f437770f
iSCSI-SCST: A huge improvements in errors recovery and iSCSI RFC complaince as well as performance. Also:
- Fixes and improvements for MaxOutstandingR2T>1
- Flow control tracing added.
- Cleanups
SCST core:
- Now for scst_cmd_init_stage1_done() commands preprocessing_done() is always called before xmit_response(), even in case of abort or error.
- Fixed recently introduced bug, which can lead to sending responses for aborted commands after reply on the corresponding TM command already sent.
- Flow control tracing added.
- Now it is possible to call functions setting commands execution status (e.g., scst_set_cmd_error_status()) several times for the same command. Only the first call will be completed, other calls - ignored.
- All commands are counted and shown in proc/sysfs now. Before only active, i.e. not yet executed commands, were counted and shown there.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1431 d57e44dd-8a1f-0410-8b47-8ef2f437770f
The sysfs intarface is mostly finished. Only initiators-oriented access control not implemented and not all target drivers are updated. Only qla2x00t has been fully updated.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1229 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- iSCSI read state machine cleanups
- Fix a race when just freed iSCSI session accessed, because the corresponding SCST session is still being unregistered.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1224 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- TEST UNIT READY made HEAD OF QUEUE to let target don't look dead under high load
- Docs updated
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@774 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- More fixes on circular dependency between target_mutex and scst_mutex
- Docs updated
- Sense handling cleanups
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@764 d57e44dd-8a1f-0410-8b47-8ef2f437770f
checkpatch issues reported by the checkpatch script included with the 2.6.29
kernel and that were not yet reported by the 2.6.28 checkpatch script
(trailing statements should be on the next line / struct should normally be
const).
The patch below has been tested as follows:
- Reran scripts/run-regression-tests -k 2.6.24.7 -k 2.6.25.20 -k 2.6.26.8 -k 2.6.27.21 -k 2.6.28.9 -k 2.6.29 and verified the output.
- Rebuilt, installed and loaded scst, iscsi-scst and srpt as follows:
make -s clean && make -s -C scst install && make -s -C iscsi-scst install && make -s -C srpt install && cd scstadmin && make -s && make -s install && modprobe scst_vdisk && modprobe iscsi-scst && dmesg
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
with minor cleanups and corrections in put_page_callback-2.6.29.patch
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@717 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- Now sense data are sent without additional memory allocation and copy
- Sending and receiving padding bytes reimplemented
- Cleanups
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@699 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- 2.6.25 introduced netlink_socket_release(), to be used to clean up netlink sockets correctly (taking care of namespaces).
- New more scalable proc seq_file implementation
+ minor signess cleanups
+ version updated
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@654 d57e44dd-8a1f-0410-8b47-8ef2f437770f
Apparently not all messages reported by this version are correct. So I switched
back to the last released sparse version (0.4.1). The patch below fixes all
errors and warnings reported by sparse 0.4.1 on the SCST source code.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@596 d57e44dd-8a1f-0410-8b47-8ef2f437770f
kernel pointer is expected and vice versa. Additionally, there are a few fixes
for checkpatch warnings on trailing whitespace and lines that were over 80
columns.
This patch has been verified by reviewing it carefully and by verifying the
output files of the command scripts/run-regression-tests -k 2.6.27.6.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@579 d57e44dd-8a1f-0410-8b47-8ef2f437770f
code, mainly about lines that exceeded 80 columns. As you can see in the patch
below most lines that were too long have been split, but some code has also
been moved into helper functions in order to keep the code readable. No
functionality has been changed.
This patch has been verified as follows:
- Reread the patch carefully.
- Verified that the iSCSI target kernel module still loads.
- Verified the output generated by scripts/run-regression-tests -k 2.6.27.5.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
with some modifications
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@569 d57e44dd-8a1f-0410-8b47-8ef2f437770f
* ERROR: return is not a function, parentheses are not required
* ERROR: that open brace { should be on the previous line
This patch has been tested by verifying that the newly generated patch still
applies without warnings to the 2.6.25.17 kernel and that the patched kernel
still compiles.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@512 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- Zero-copy feature, introduced by put_page_callback patch, made kernel compile time configurable via CONFIG_TCP_ZERO_COPY_TRANSFER_COMPLETION_NOTIFICATION option. If you upgrade from earlier versions, see the corresponding "[CAUTION]" e-mail in scst-devel mailing list about possible compatibility problems.
- SRP target temporary removed from "all" and "install" the main Makefile targets, since it isn't compiled on 2.6.26
- Minor fixes and cleanups
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@475 d57e44dd-8a1f-0410-8b47-8ef2f437770f
an external module. When applying the SCST kernel patch to the mainstream
kernel tree with debugging and/or tracing enabled however, the resulting code
triggers a compiler error. This is because the symbols DEBUG and TRACING
conflict with symbols with the same named defined in unrelated kernel headers.
The patch below resolves these conflicts by renaming the following preprocessor
symbols:
- DEBUG into CONFIG_SCST_DEBUG.
- DEBUG_DIGEST_FAILURES into CONFIG_SCST_ISCSI_DEBUG_DIGEST_FAILURES.
- DEBUG_OOM into CONFIG_SCST_DEBUG_OOM.
- DEBUG_RETRY into CONFIG_SCST_DEBUG_RETRY.
- DEBUG_SN into CONFIG_SCST_DEBUG_SN.
- DEBUG_TM into CONFIG_SCST_DEBUG_TM.
- EXTRACHECKS into CONFIG_SCST_EXTRACHECKS.
- SCST_HIGHMEM into CONFIG_SCST_HIGHMEM.
- STRICT_SERIALIZING into CONFIG_SCST_STRICT_SERIALIZING.
- TM_DBG_GO_OFFLINE into CONFIG_SCST_TM_DBG_GO_OFFLINE. Mapped 0/1 values
into macro undefined / macro defined.
- TRACING into CONFIG_SCST_TRACING.
- USE_EXPECTED_VALUES into CONFIG_SCST_USE_EXPECTED_VALUES.
- In qla_isp/linux/isp_scst.c, renamed DEBUG into DEBUG_ISP_SCST.
- In qla_isp/..., renamed SCSI_TARGET in SCST_SCSI_TARGET.
- In qla_isp/..., renamed SCSI_TARGET_DEV in SCST_SCSI_TARGET_DEV.
Additionally, all CONFIG_SCSI_TARGET* macro's are renamed into CONFIG_SCST* in
order to avoid confusion between the STGT CONFIG-symbols and the SCST CONFIG-
symbols.
The following additional options are now configurable through Kconfig:
- CONFIG_SCST_ISCSI_DEBUG_DIGEST_FAILURES
- CONFIG_SCST_STRICT_SERIALIZING
- CONFIG_SCST_STRICT_SECURITY
- CONFIG_SCST_ALLOW_PASSTHROUGH_IO_SUBMIT_IN_SIRQ
- CONFIG_SCST_ABORT_CONSIDER_FINISHED_TASKS_AS_NOT_EXISTING
- CONFIG_SCST_USE_EXPECTED_VALUES
- CONFIG_SCST_DEBUG_OOM
- CONFIG_SCST_DEBUG_RETRY
- CONFIG_SCST_DEBUG_SN
- CONFIG_SCST_DEBUG_TM
- CONFIG_SCST_TM_DBG_GO_OFFLINE
The patch below has been verified as follows:
- Verified that the following command does not print any new warning messages:
make -s clean && make -C srpt -s clean && make -s scst iscsi-scst && make -C srpt -s
- Verified as follows that the internal SCST patches still apply cleanly:
for p in *patch; do patch -p0 --dry-run -f -s <$p; done
- Checked that the patch generated by generate-kernel-patch still applies
cleanly to the 2.6.25.7 kernel, and that the patched kernel tree still
compiles, installs and boots fine, that the iscsi-scst, ib_srpt,
scst_disk and scst_vdisk modules still load, and that iSCSI communication
still works fine. All SCST kernel configuration options that could be
enabled have been enabled during this test.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@453 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- Fixed 2 problems in scst_user on release() cleanup
- Added per-device memory limit and new scst.ko module parameter scst_max_dev_cmd_mem
- Cleanups, including important ones
- Version changed to 1.0.0-rc1
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@411 d57e44dd-8a1f-0410-8b47-8ef2f437770f
- PRIO queue was removed from scst_user. Instead, all priority commands now queued in the head of the regular queue. The corresponding code was removed from fileio_tgt as well. It necessary, in the future the priority queue can be easily restored from this patch.
- pre_unreg_sess() was removed from struct scst_dev_type. The corresponding code was removed from SCST core as well
- Almost all /proc/scsi_tgt commands now can fail after timeout (90 seconds) with EBUSY
- Fixed possible incorrect command's retry if double RESET UA is detected.
- Many minor changes and cleanups
Also docs were updated.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@403 d57e44dd-8a1f-0410-8b47-8ef2f437770f
One of the Linux kernel patch submission requirements is that source files do
not contain trailing whitespace. The patch below removes trailing whitespace
from .c and .h source files.
Note: it might be more convenient to run the script I used to generate this
patch than to review and apply the patch below. This is how I generated and
verified the patch below:
cat <<EOF >./strip-trailing-whitespace
#!/bin/bash
trap "rm -f $t" EXIT
t=/tmp/temporary-file.$$
for f in "$@"
do
sed 's/[ ]*$//' <"$f" >"$t" && mv "$t" "$f"
done
EOF
chmod a+x ./strip-trailing-whitespace
find -name '*.[ch]' | xargs ./strip-trailing-whitespace
svn diff -x -w
Signed-off-by: <bart.vanassche@gmail.com>
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@377 d57e44dd-8a1f-0410-8b47-8ef2f437770f
